Meteoritical Bulletin: Entry for Northwest Africa 14285

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Northwest Africa 14285

Basic information

Name: Northwest Africa 14285
This is an OFFICIAL meteorite name.
Abbreviation: NWA 14285
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass: 383 g

Classification
history:

Recommended:

Iron, IAB-sLH [explanation]

This is 1 of 13 approved meteorites classified as Iron, IAB-sLH. [show all]
Search for other: IAB complex irons, Iron meteorites, and Metal-rich meteorites

Comments:

Approved 11 Nov 2021

Writeup

Writeup from MB 110:

Northwest Africa 14285 (NWA 14285)

(Northwest Africa)

Purchased: 2020

Classification: Iron meteorite (IAB-sLH)

Petrography: (J. Gattacceca, CEREGE) Iron meteorite composed of plessite. Troilite nodules (to 200 µm) containing µm-sized metal blebs and dendritic kamacite are common.

Geochemistry: (H. Pourkhorsandi and V. Debaille, ULB): Composition of the metal (ICP-MS) is Co=0.77±0.02, Ni=20.99±0.31 (both in wt% ±1 sigma), Cr=0.27±0.15, Cu=347±3, Ga=4.09±0.24, Ge=4.42±0.23, As=21.63±0.90, Mo=3.40±0.03, Pd=8.86±0.13, W=0.23, Ir=0.06±0.01, Au=2.00±0.21 (all in ppm ±1 sigma).

Classification: Iron (IAB-sLH)

Specimens: Type specimen at CEREGE. Main mass with Labenne

Data from:
  MB110
  Table 0
  Line 0:

Place of purchase:	Morocco
Date:	P 2020
Mass (g):	383
Pieces:	1
Class:	Iron, IAB-sLH
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	21
Type spec location:	CEREGE
Main mass:	Labenne
Finder:	anonymous
Comments:	work name LL140920a; submitted by Jérôme Gattacceca

Institutions
and collections

CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 29 Oct 2018)
Labenne: 23, rue de Esperance, 75013 Paris, France; Website (private address; updated 29 Aug 2012)
ULB: Université libre de Bruxelles Avenue Franklin Roosevelt 50 - 1050 Bruxelles, Belgium (institutional address; updated 27 Sep 2018)

Catalogs:

References:

Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4

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Photos:

Credit	Photos
Public domain photographs:
Jerome Gattacceca

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9013 approved meteorites from (Northwest Africa) (plus 1869 unapproved names)

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